diff --git a/intro.js b/intro.js
index 0b9fad270..5725a4fe5 100644
--- a/intro.js
+++ b/intro.js
@@ -124,7 +124,7 @@
    * @param {Object} targetElement
    */
   function _exitIntro(targetElement) {
-    //remove overlay layer from the page
+    //remove overlay layer from the page.
     var overlayLayer = targetElement.querySelector(".introjs-overlay");
     //for fade-out animation
     overlayLayer.style.opacity = 0;
@@ -343,4 +343,4 @@
   };
 
   this['introJs'] = introJs;
-})();
\ No newline at end of file
+})();
diff --git a/introjs.css b/introjs.css
index faf063fb5..9ec88f10c 100644
--- a/introjs.css
+++ b/introjs.css
@@ -1,7 +1,7 @@
 .introjs-overlay {
   position: absolute;
   z-index: 999999;
-  background-color:rgb(0, 0, 0);
+  background-color:rgb(12, 13, 14);
   opacity: 0;
   -webkit-transition: all 0.3s ease-out;
   -moz-transition: all 0.3s ease-out;
@@ -86,4 +86,4 @@
   font-weight: bold;
   color: #2071d3;
   font-size: 11px;
-}
\ No newline at end of file
+}